diff --git a/.github/CHANGELOG.md b/.github/CHANGELOG.md
index 61cd8575b0a..38e640d4c40 100644
--- a/.github/CHANGELOG.md
+++ b/.github/CHANGELOG.md
@@ -51,6 +51,7 @@
 1. [PAYLOAD] Re-enabled FBW sounds when using GSX Integration
 1. [SD] Connect SD BLEED page APU bleed pressure indication to correct ADRs - @BlueberryKing (BlueberryKing)
 1. [FMS] Use station declination when appropriate for fix info and place/bearing radials - @tracernz (Mike)
+1. [MCDU] Fixed the FMGC annunciator light not illuminating - @tracernz (Mike)
 
 ## 0.10.0
 
diff --git a/fbw-a32nx/src/base/flybywire-aircraft-a320-neo/html_ui/Pages/VCockpit/Instruments/Airliners/FlyByWire_A320_Neo/CDU/A320_Neo_CDU_MainDisplay.js b/fbw-a32nx/src/base/flybywire-aircraft-a320-neo/html_ui/Pages/VCockpit/Instruments/Airliners/FlyByWire_A320_Neo/CDU/A320_Neo_CDU_MainDisplay.js
index 4c15cee4901..e7453f643c3 100644
--- a/fbw-a32nx/src/base/flybywire-aircraft-a320-neo/html_ui/Pages/VCockpit/Instruments/Airliners/FlyByWire_A320_Neo/CDU/A320_Neo_CDU_MainDisplay.js
+++ b/fbw-a32nx/src/base/flybywire-aircraft-a320-neo/html_ui/Pages/VCockpit/Instruments/Airliners/FlyByWire_A320_Neo/CDU/A320_Neo_CDU_MainDisplay.js
@@ -513,7 +513,7 @@ class A320_Neo_CDU_MainDisplay extends FMCMainDisplay {
         for (const [annunc, state] of Object.entries(states)) {
             let newState = !!(lightTest && powerOn);
 
-            if (annunc === 'fm') {
+            if (annunc === 'fmgc') {
                 newState = newState || this.isSubsystemRequesting('FMGC');
             } else if (annunc === 'mcdu_menu') {
                 newState = newState || this.isSubsystemRequesting('AIDS') || this.isSubsystemRequesting('ATSU') || this.isSubsystemRequesting('CFDS');